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 Post subject: Re: Anodized parts
PostPosted: Thu Apr 25, 2013 8:11 am 
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Joined: Wed Mar 26, 2008 7:12 pm
Posts: 2368
Location: Woodstock
Acid tanks are dangerous enough, but the off gases are far more dangerous. You will need a great deal of ventilation if you attempt this in a shop. I am not trying to be difficult, just making sure everyone knows what they are getting into.
Plus the cost of disposal of the acid when it expires or you decide you don't want to do it anymore.
Anodizing is expensive and can be hazardous if not done properly.

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 Post subject: Re: Anodized parts
PostPosted: Fri Apr 26, 2013 6:01 pm 
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Posts: 2368
Location: Woodstock
Some great links for those that know what they are getting into and want to start:

Ron Newman - http://www.focuser.com/atm/anodize/anodize.html

Jim Bowes - http://www.warpig.com/paintball/technical/anodize.shtml

Bike Pro - http://www.bikepro.com/products/metals/alum.html

Supplies:
Caswell Electroplating - Canada - http://www.caswellplating.ca
Caswell Electroplating - USA - http://www.caswellplating.com/

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 Post subject: Re: Anodized parts
PostPosted: Fri Apr 26, 2013 9:54 pm 
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Joined: Tue Jun 03, 2008 5:46 pm
Posts: 2814
Location: Canada
Thanks Michael. :)

A few others...


http://astro.neutral.org/anodise.shtml

http://www.pbnation.com/showthread.php?t=355794

http://www.bryanpryor.com/anodizing.php



Al


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 Post subject: Re: Anodized parts
PostPosted: Sat Apr 27, 2013 5:25 pm 
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Put it in the sun, see if it fades. Bought a gas cap, black anodized, for my motorcycle, after a summer in the sun it turned goldish.
Where are you located?

peterdulux


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 Post subject: Re: Anodized parts
PostPosted: Sat Apr 27, 2013 8:20 pm 
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Posts: 2368
Location: Woodstock
Yes, the fabric dyes do not hold up, neither do the homebrew sealing methods (even with proper anodizing dye). When buying a part anodized by a diyer, YMMV.

peterdulux wrote:
Put it in the sun, see if it fades. Bought a gas cap, black anodized, for my motorcycle, after a summer in the sun it turned goldish.
Where are you located?

peterdulux

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 Post subject: Re: Anodized parts
PostPosted: Sun Apr 28, 2013 8:36 am 
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Joined: Sun Feb 13, 2011 1:29 am
Posts: 109
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Parts have been knurled was waiting for a knurler in the mail. lol
I am not sure about how much the dye will fade...probably so. Although the top orangish one was done a second time so I had to try to take it down by sanding off the dye in my headstock...wasn't going to happen lol. I spun that thing for about 5 minutes and the 320 grit sandpaper wasn't making much progress. It was like trying to sand ceramic. So I had to take out a cutting tool and take off about 1/1000" to get it back to the aluminum surface. Then rebuff and do the process all over again. The surface seems extremely hard to me maybe because they were cold anodized in my shop without the heat at about 40 degress farenheit. I feel confident as long as the parts made are not moving parts interacting with other surfaces the dye will be fine for me. There has been a few setbacks in trying to make this gun...the fact that the aluminum tube is .125" wt does not allow the trigger sear to make contact with the hammer...so I made another trigger sear and case hardened it in order to reach the hammer. I have scratched my head many times over the colour sheme of this gun. It will certainly be unusual in colour...just hope it don't clash too badly.


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 Post subject: Re: Anodized parts
PostPosted: Sun Apr 28, 2013 10:50 am 
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Posts: 109
Picture of progress
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